linux-wandboard

GFS2: Remove a couple of unused sysfs entries

These two tunables are pointless and would never need to be
changed anyway. There is also a race between them and umount
as the deamons which they refer to might have gone away. The
easiest way to fix the race is to remove the interface.

Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>